00289nam a22000977a 4500008004100000020001500041082001200056245007000068260004300138300001000181110114t        xxu||||| |||| 00| 0 eng d  a2804140946  a531.113  aStrings and gravitycedited by Marc Henneaux and Alexander Sevrin  aBruxelles:bDe Boeck & Larcier,c2003.  a306p.